/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.apps.authenticator.testability;

import android.content.Context;
import android.content.ContextWrapper;
import android.content.SharedPreferences;

/**
 * {@link ContextWrapper} that prefixes shared preference file names with the provided prefix and
 * passes all other invocations through unmodified to the delegate {@link Context}.
 */
public class SharedPreferencesRenamingDelegatingContext extends ContextWrapper {
  
  private final String mPrefix;

  public SharedPreferencesRenamingDelegatingContext(Context delegate, String prefix) {
    super(delegate);
    mPrefix = prefix;
  }

  @Override
  public SharedPreferences getSharedPreferences(String name, int mode) {
    return super.getSharedPreferences(mPrefix + name, mode);
  }
}
